What is Error Amplifier?

Definition

A circuit that amplifies the difference between a reference signal and a feedback signal to generate a correction output. Error amplifiers are core components in voltage regulators, control loops, and servo drive electronics.

Related Terms

Feedback Loop

A control path where the output signal is measured and compared with the desired...

PID Control

Proportional-Integral-Derivative control — a feedback algorithm that continuousl...

Voltage Regulator

A circuit or device that maintains a constant output voltage despite variations ...

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